Subtraction Trick Worksheet

Speed calculation lesson 3: Same-change subtraction · Set 984 · 40 questions

The fast method (Shift both): How much makes the second number round? 68 needs 2 to make 70. Add that amount to BOTH numbers. Take away the round number.

1. 1.264 − 59 =
2. 2.193 − 57 =
3. 3.371 − 29 =
4. 4.533 − 69 =
5. 5.307 − 46 =
6. 6.399 − 37 =
7. 7.404 − 77 =
8. 8.290 − 59 =
9. 9.147 − 38 =
10. 10.431 − 28 =
11. 11.141 − 48 =
12. 12.275 − 96 =
13. 13.364 − 67 =
14. 14.489 − 86 =
15. 15.221 − 96 =
16. 16.546 − 68 =
17. 17.163 − 39 =
18. 18.356 − 88 =
19. 19.359 − 77 =
20. 20.595 − 98 =
21. 21.426 − 56 =
22. 22.578 − 99 =
23. 23.486 − 38 =
24. 24.197 − 36 =
25. 25.553 − 39 =
26. 26.285 − 17 =
27. 27.166 − 59 =
28. 28.67 − 57 =
29. 29.80 − 58 =
30. 30.218 − 57 =
31. 31.461 − 18 =
32. 32.293 − 46 =
33. 33.161 − 99 =
34. 34.268 − 26 =
35. 35.580 − 18 =
36. 36.128 − 78 =
37. 37.139 − 37 =
38. 38.316 − 19 =
39. 39.94 − 19 =
40. 40.599 − 86 =

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